.about-page {
  padding-bottom: 80px;
}

.about-header {
  display: flex;
  align-items: center;
  margin-bottom: 60px;
}

.about-image-container {
  flex: 0 0 200px;
  margin-right: 40px;
}

.about-image {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  border: 5px solid white;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.about-intro {
  flex: 1;
}

.about-name {
  font-size: 2.5rem;
  margin-bottom: 10px;
  color: var(--text-color);
}

.about-title {
  font-size: 1.3rem;
  color: var(--primary-color);
  margin-bottom: 20px;
  font-weight: 500;
}

.about-bio {
  color: var(--light-text-color);
  margin-bottom: 20px;
  line-height: 1.7;
  font-size: 1.1rem;
}

.about-contact {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.contact-link {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-link:hover {
  color: var(--secondary-color);
}

.contact-divider {
  margin: 0 15px;
  color: var(--border-color);
}

.about-section {
  margin-bottom: 70px;
}

.section-title {
  font-size: 1.8rem;
  margin-bottom: 30px;
  color: var(--text-color);
  position: relative;
  padding-bottom: 15px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background-color: var(--primary-color);
}

.about-content p {
  margin-bottom: 20px;
  color: var(--light-text-color);
  line-height: 1.7;
}

.skills-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
}

.skill-group {
  background-color: white;
  border-radius: 10px;
  padding: 25px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.skill-group:hover {
  transform: translateY(-5px);
}

.skill-group-header {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.skill-icon {
  font-size: 1.8rem;
  color: var(--primary-color);
  margin-right: 15px;
}

.skill-category {
  font-size: 1.3rem;
  color: var(--text-color);
  margin: 0;
}

.skill-items {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.skill-item {
  width: 100%;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 5px;
}

.skill-name {
  font-weight: 500;
  color: var(--text-color);
}

.skill-level {
  color: var(--light-text-color);
}

.skill-bar {
  height: 8px;
  background-color: #e2e8f0;
  border-radius: 4px;
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  background-color: var(--primary-color);
  border-radius: 4px;
  transition: width 1s ease;
}

.timeline {
  position: relative;
  padding-left: 30px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 7px;
  height: 100%;
  width: 2px;
  background-color: var(--border-color);
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -30px;
  top: 5px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--primary-color);
  border: 3px solid white;
  box-shadow: 0 0 0 2px var(--primary-color);
}

.timeline-content {
  background-color: white;
  border-radius: 10px;
  padding: 25px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
}

.timeline-title {
  font-size: 1.3rem;
  color: var(--text-color);
  margin: 0;
}

.timeline-period {
  background-color: var(--primary-color);
  color: white;
  padding: 5px 10px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

.timeline-subtitle {
  font-size: 1.1rem;
  color: var(--light-text-color);
  margin-top: 0;
  margin-bottom: 15px;
}

.timeline-description {
  color: var(--light-text-color);
  margin-bottom: 15px;
  line-height: 1.6;
}

.timeline-achievements {
  padding-left: 20px;
  margin-bottom: 0;
}

.timeline-achievements li {
  color: var(--light-text-color);
  margin-bottom: 5px;
}

.certifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
}

.certification-card {
  background-color: white;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.certification-card:hover {
  transform: translateY(-5px);
}

.certification-name {
  font-size: 1.1rem;
  color: var(--text-color);
  margin-top: 0;
  margin-bottom: 15px;
}

.certification-details {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.certification-issuer {
  color: var(--light-text-color);
  font-size: 0.9rem;
}

.certification-year {
  background-color: rgba(37, 99, 235, 0.1);
  color: var(--primary-color);
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

@media (max-width: 768px) {
  .about-page {
    padding-bottom: 60px;
  }
  
  .about-header {
    flex-direction: column;
    text-align: center;
  }
  
  .about-image-container {
    margin-right: 0;
    margin-bottom: 30px;
  }
  
  .about-contact {
    justify-content: center;
  }
  
  .skills-container {
    grid-template-columns: 1fr;
  }
  
  .certifications-grid {
    grid-template-columns: 1fr;
  }
  
  .timeline-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .timeline-period {
    margin-top: 10px;
  }
}
